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usb, ohci, pci: add DM support for PCI-based OHCI USB controller

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add new DM based PCI driver ohci-pci for PCI-based
OHCI USB support.

Signed-off-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Heiko Schocher 2019-07-16 10:49:07 +02:00 committed by Marek Vasut
parent f9c7fecbeb
commit 991e66017c
3 changed files with 60 additions and 0 deletions
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7
drivers/usb/host/Kconfig
View file

@ -236,6 +236,13 @@ config USB_OHCI_HCD
based system where you're not sure, the "lspci -v" entry will list the
right "prog-if" for your USB controller(s): EHCI, OHCI, or UHCI.
config USB_OHCI_PCI
bool "Support for PCI-based OHCI USB controller"
depends on DM_USB
default n
help
Enables support for the PCI-based OHCI controller.
if USB_OHCI_HCD
config USB_OHCI_GENERIC

1
drivers/usb/host/Makefile
View file

@ -16,6 +16,7 @@ obj-$(CONFIG_USB_R8A66597_HCD) += r8a66597-hcd.o
obj-$(CONFIG_USB_SL811HS) += sl811-hcd.o
obj-$(CONFIG_USB_OHCI_EP93XX) += ohci-ep93xx.o
obj-$(CONFIG_USB_OHCI_LPC32XX) += ohci-lpc32xx.o
obj-$(CONFIG_USB_OHCI_PCI) += ohci-pci.o
obj-$(CONFIG_USB_OHCI_GENERIC) += ohci-generic.o
# echi

52
drivers/usb/host/ohci-pci.c Normal file
View file

@ -0,0 +1,52 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
*
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <pci.h>
#include <usb.h>
#include <asm/io.h>
#include "ohci.h"
static int ohci_pci_probe(struct udevice *dev)
{
struct ohci_regs *regs;
regs = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
return ohci_register(dev, regs);
}
static int ohci_pci_remove(struct udevice *dev)
{
return ohci_deregister(dev);
}
static const struct udevice_id ohci_pci_ids[] = {
{ .compatible = "ohci-pci" },
{ }
};
U_BOOT_DRIVER(ohci_pci) = {
.name = "ohci_pci",
.id = UCLASS_USB,
.probe = ohci_pci_probe,
.remove = ohci_pci_remove,
.of_match = ohci_pci_ids,
.ops = &ohci_usb_ops,
.platdata_auto_alloc_size = sizeof(struct usb_platdata),
.priv_auto_alloc_size = sizeof(ohci_t),
.flags = DM_FLAG_ALLOC_PRIV_DMA,
};
static struct pci_device_id ohci_pci_supported[] = {
{ PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_OHCI, ~0) },
{},
};
U_BOOT_PCI_DEVICE(ohci_pci, ohci_pci_supported);